package br.com.k19.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class ControleDeAcesso implements Filter {

	@Override
	public void destroy() {

	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {

	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		HttpSession session = req.getSession();

		if (session.getAttribute("usuario") != null || req.getRequestURI().contains("Login")) {
			chain.doFilter(request, response);
		} else {
			HttpServletResponse res = (HttpServletResponse) response;
			res.sendRedirect("Login.jsp");
		}
	}
}
